Carrying Capacity & Limiting Factors

What happens if a population grows past its carrying capacity?

• The population keeps growing

• The population starts to die off

• The entire species will go extinct

• The carrying capacity just increases

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Something that regulates the size of a population is called...

• a limiting measure

• a limiting factor

• carrying capacity

• biodiversity

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What are factors that affect carrying capacity?

• Biotic only

• Biotic and abiotic

• Depends on the ecosystem

• Abiotic only

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NGSS.MS-LS1-5

What is the carrying capacity of the graph?

• 1000

• 8000

• 800

• 600

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Which of the following would INCREASE the carrying capacity of an ecosystem?

• increase in predators
• disease
• increase in available food
• drought

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NGSS.MS-LS2-1

If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?

• The bird population would stay the same
• The bird population would infinitely increase
• The bird population would decrease

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NGSS.MS-LS2-4

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If the carrying capacity of a predator decreases, what will happen to the carrying capacity of the prey?

• Will Increase

• Will Decrease

• Will stay the same

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NGSS.MS-LS2-1

The largest number of individuals that an area can support is called its _______.

• limiting factor
• abiotic factor
• resource availability
• carrying capacity

The graph to the right shows the interaction of the wolf and moose populations on Isle Pekie. If the moose population continues to increase, the wolves' food supply will increase. What will most likely happen to the wolf population as a result?

• It will decrease.

• It will increase.

• It will remain the same.

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

What type of growth is demonstrated in the graph?

• Exponential

• Carrying capacity

• Linear

• Negative